A 61-year-old man presents to the emergency department after intentional ingestion of sustained-release verapamil tablets. Vital signs show BP 78/52 mmHg, HR 38/min, RR 16/min, temperature 36.8°C, and SpO2 98% on room air. He is lethargic with a serum calcium of 8.2 mg/dL. Electrocardiography reveals severe bradycardia with prolonged PR interval. He denies chest pain. Which of the following therapies is most effective for managing severe calcium channel blocker toxicity?
- A)Digoxin immune Fab
- B)Leucovorin
- C)Pralidoxime
- D)Calcium administrationGABARITO
- E)Hydroxocobalamin
Explicação
Severe calcium channel blocker overdose causes hypotension and bradycardia. Intravenous calcium can help overcome channel blockade, and other measures such as high dose insulin therapy may also be used in severe cases. Ver explicação completa e trilha adaptativa →